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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have traditional sash windows and homeowners are proud of their appearance. Sash windows can become stuck and become difficult to open or close. This is typically due to moisture which can cause the wood to expand.

Box sash windows were historically operated using chains or cotton cords as well as lead weights. Modern sash windows come with hidden springs to overcome this problem.

1. Aesthetics

Contrary to PVC-u windows which are made according to the modular imperial size the timber sash windows are able to be restored to their original dimensions. This allows the restoration to meet modern day energy requirements while complying with conservation areas regulations. It also offers a window that is far superior to the upvc repairs options.

Sliding sash window frames were initially only used in large buildings or public buildings. However, this changed when production became less expensive and craftsmen could create larger frames using more glass. By the end of the 18th century, sash windows had become the most popular wooden design in British homes. As they were easy to open sash windows allowed light into rooms without the need for curtains.

Early windows were simple glass, but by the 17th century, sash windows began to become more decorative, with coloured glazing bars and moulded mullions. They were costly at the beginning but as glass production became less expensive and more efficient, they became a common feature in many homes of the period.

In the 19th century, it became possible to create large, sturdy glasses that did not require support bars. This allowed the frame to be made bigger and, in turn, gave a better view. This was an important innovation.

The introduction of the double glazing repairs Near me-hung sliding sash was another important improvement that was made towards the end of the I920s and beginning of the I930s. The double glazing seal repairs-hung sliding sash is another significant improvement that came about at the end of the I920s and at the beginning of the I930s.

The most commonly used type of sash is made from slow grown deal (pine) but oak was also used in more prestigious buildings and in some earlier examples. It is essential to keep the parting bead which is used to separate the sashes. This will stop rattles and draughts. It is also crucial that the idler and sash pulley wheels are in good shape as they assist in operating the window.

2. Energy efficiency

As larger and clearer sheets of glass became available, sash window seal replacement near me began replacing hinged casements. They were coated with plate glass that was set in timber frames with rebates and pinned in place using glazing sprigs, with putty on both sides to ensure they were watertight. This type of glazing gradually superseded leaded lights.

The introduction of sashes led to an need for a greater variety of ironmongery, including the most basic fittings, brass pulleys and lead (and later cast iron) weights, sash stoppers shutter hinges, knobs and shutters and a variety of fasteners that secured the sashes in the right place. These were usually decorated with designs, inscriptions, and patterns engraved to identify the maker.

With regular maintenance, sash windows are extremely energy efficient. If they are not maintained they could become noisy. Paint and putty may cause draughts too. This can be remedied by making use of wood-to-timber repair tools that are proprietary.

The market for replacement windows rests on the perception that older windows are old and beyond economical repair, whereas they can be maintained with just a little care. However, repairs to these windows can be expensive and involve considerable disruption to the home. To prevent this homeowners often prefer to replace their windows with PVC-u windows from one of the many "one stop shop" installation companies. They can replace all windows in a home in one day, thereby saving time and eliminating the need for various tradesmen to coordinate. They can also be fitted with energy-saving double-glazing to achieve more energy efficient ratings than those offered by traditional sash windows. These double-glazed windows aren't capable of resembling the proportions and section of sashes from old timber.

3. Security

It is possible to secure windows that are traditional without compromising their style. Many types of ironmongery can be installed, including sash chains, mortice bolts and locks for sash. These can be installed to ensure that the window is still capable of being opened for ventilation or for cleaning. They are generally minimal in appearance, as they are designed to fit the sash window. They can be used alongside traditional sash-window catches that must be replaced by more robust models (such ones with double screws) or spring levers to decrease the chance of them being hammered open.

Sash-window frames were typically constructed from slow grown deal or, in the more elegant homes, from oak. If the glazing bars remain intact and in good condition, they should be kept. If it is feasible, the cills made of timber should be replaced by wood that is in line with. Many PVC-U companies offer a one-stop installation service. They can take down and replace windows throughout a house in just one day, without involving any other tradespeople.

4. Ventilation

When sash windows first introduced in the 17th century, they allowed a large amount of light to flood into the buildings. At the end of the 18th century, they were adapted to allow even more light into rooms and larger glazing panes began to be produced. The result was a much more streamlined appearance, and windows that had a higher level of elegance than they had before.

Sash windows were introduced and required a new range ironmongery. Early pulleys were made from wood, while later Victorian ones were made of brass or a mixture of lead and wood and there were a variety of shutter hinges and knobs. These ironmongery pieces must be kept clean and preserved in order to appreciate their beautiful design.

To keep them in good condition, timber windows require regular maintenance. A lack of attention to them regularly could lead to:

Sashes that don't slide smoothly.

holes in the frame that allow water causing damage and decay.

break down of putty, allowing water penetration that can lead to decay in the frame and cill.

Steel casement windows were popular in the I920s & I930s because they were sturdy and slim, and also because they were cheap and matched the trend of healthy living. Studies have shown that softwood sash window are as efficient as PVC-u windows, and may even be more attractive.

The industry of replacement windows has done a lot to persuade house owners that their traditional windows are rotten, draughty and beyond repair. However, many older windows made of timber are in good shape and with minor repairs can easily be repaired for many years to come.

5. Maintenance

The traditional sash windows need regular maintenance and inspection. If you do not maintain your sash window, it can lead to the sash cords breaking, and the glazing bars deteriorating excessively. It could also cause paint and putty degrade. The removal of sashes may also cause structural movement within the frame which causes the sash to become misaligned and not closing properly. It is also possible for the sash to be stuck or fixed in an open position, which can let water and draughts in the structure.

Moisture penetration is the most common cause of damage to timber windows. This can be avoided with regular maintenance as well as thorough painting, and then removing the source of dampness. Wet rot can be identified by the wavy appearance of the paint that can be stripped away to reveal rotting, soft timber. The sections that are rotting should be carefully removed and the affected part should be snared together or glued together with replacements of the exact kind as the timber that remains. This method of repair increases the amount of fabric used in the first place and is one of least invasive ways to treat the rot that occurs between timber and timber.

A resin-based wood condenser is a viable alternative to traditional staining or sanding. It is brushed onto the surface of the wood to protect it and strengthen it. It is particularly useful for the treatment of sash cords and pulleys which can help stop breakage.

It is important that any old ironmongery such as sash stays and latches be kept and rehabilitated instead of being replacing them. These items are difficult to replace without compromising the quality of the original design. It is also advised that fittings made of aluminum like sashlifts and chainstays, should be avoided since they can cause deterioration and corrosion of timber frames and sashes.